Abstract. The original Personality Styles and Disorder Inventory (PSDI) consists of 140 items capturing the non-pathological equivalents of 14 personality disorders (PDs) listed in DSM-III-R, DSM-IV-TR, and ICD-10. Because the DSM-5 ...
Assessing construct validity is a core task in psychology. Since Campbell and Fiske’s (1959) seminal article on multitrait-multimethod (MTMM) analysis, several different methodological approaches for the analysis of convergent and discriminant validity of ...